static irqreturn_t tegra_ehci_irq(struct usb_hcd *hcd)
{
struct tegra_ehci_hcd *tegra = dev_get_drvdata(hcd->self.controller);
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
irqreturn_t irq_status;
spin_lock(&ehci->lock);
irq_status = tegra_usb_phy_irq(tegra->phy);
if (irq_status == IRQ_NONE) {
spin_unlock(&ehci->lock);
return irq_status;
}
if (tegra_usb_phy_pmc_wakeup(tegra->phy)) {
ehci_dbg(ehci, "pmc wakeup detected\n");
usb_hcd_resume_root_hub(hcd);
spin_unlock(&ehci->lock);
return irq_status;
}
spin_unlock(&ehci->lock);
EHCI_DBG("%s() cmd = 0x%x, int_sts = 0x%x, portsc = 0x%x\n", __func__,
ehci_readl(ehci, &ehci->regs->command),
ehci_readl(ehci, &ehci->regs->status),
ehci_readl(ehci, &ehci->regs->port_status[0]));
irq_status = ehci_irq(hcd);
if (ehci->controller_remote_wakeup) {
ehci->controller_remote_wakeup = false;
tegra_usb_phy_pre_resume(tegra->phy, true);
tegra->port_resuming = 1;
}
return irq_status;
}
static irqreturn_t tegra_ehci_irq(struct usb_hcd *hcd)
{
struct tegra_ehci_hcd *tegra = dev_get_drvdata(hcd->self.controller);
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
irqreturn_t irq_status;
bool pmc_remote_wakeup = false;
struct platform_device *pdev = container_of(hcd->self.controller, struct platform_device, dev);
int ehci_id = pdev->id;
spin_lock(&ehci->lock);
irq_status = tegra_usb_phy_irq(tegra->phy);
if (irq_status == IRQ_NONE) {
spin_unlock(&ehci->lock);
return irq_status;
}
if (tegra_usb_phy_remote_wakeup(tegra->phy)) {
ehci_info(ehci, "remote wakeup detected on controller.%d\n", ehci_id);
/* +SSD_RIL: workaround for remote wake AT timeout. */
if (Modem_is_IMC() && ehci_id == MODEM_EHCI_ID)
{
debug_gpio_dump();
//trigger_radio_fatal_get_coredump("remote wakeup in PMC");
}
else
{
pmc_remote_wakeup = true;
usb_hcd_resume_root_hub(hcd);
}
/* -SSD_RIL: workaround for remote wake AT timeout. */
spin_unlock(&ehci->lock);
return irq_status;
}
spin_unlock(&ehci->lock);
// EHCI_DBG("%s() cmd = 0x%x, int_sts = 0x%x, portsc = 0x%x\n", __func__,
// ehci_readl(ehci, &ehci->regs->command),
// ehci_readl(ehci, &ehci->regs->status),
// ehci_readl(ehci, &ehci->regs->port_status[0]));
irq_status = ehci_irq(hcd);
if (pmc_remote_wakeup) {
ehci->controller_remote_wakeup = false;
}
if (ehci->controller_remote_wakeup) {
ehci->controller_remote_wakeup = false;
/* +SSD_RIL: workaround for remote wake hang. */
if (Modem_is_IMC() && ehci_id == MODEM_EHCI_ID)
{
ehci_info(ehci, "controller.%d remote wakeup detected", ehci_id);
debug_gpio_dump();
//trigger_radio_fatal_get_coredump("remote wakeup in controller");
}
else
{
tegra_usb_phy_pre_resume(tegra->phy, true);
tegra->port_resuming = 1;
}
/* -SSD_RIL: workaround for remote wake hang. */
}
return irq_status;
}
